Home / 51,151.38-70,589.12-29,926.55

Finding the Fourth Proportional to 51,151.38, 70,589.12 and 29,926.55

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Solution

The fourth proportional to 51,151.38, 70,589.12 and 29,926.55 is: 41,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.38 : 70,589.12 = 29,926.55 : x
  2. Step 2: Convert to fraction form
    51,151.38/70,589.12 = 29,926.55/x
  3. Step 3: Cross multiply
    51,151.38x = 70,589.12 × 29,926.55
  4. Step 4: Simplify right side
    51,151.38x = 2,112,488,326.56
  5. Step 5: Solve for x
    x = 2,112,488,326.56/51,151.38
  6. Step 6: Final answer
    x = 41,298.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.